Dɛn ne charging control akwan a wɔfa so yɛ power battery systems?
Power Battery System Charging Control Nhyehyɛe .
Wɔ-scale integrated application of power battery packs, a ɛka ho ne sɛ wosusuw nnuru ne honam fam su a ɛwɔ power battery no ankasa ho no, ɛho hia nso sɛ wosusuw battery storage kwan, storage environment, charging equipment tebea, ahobammɔ ho nsɛm a ɛfa centralized storage ne charge ho, ne nkɛntɛnso a ɛwɔ power grid no so.
Wɔ nneɛma pii mu no, ɛsɛ sɛ ahotoso titiriw ne nea wosusuw ho ne ahobammɔ a ɛwɔ anyinam ahoɔden batere no mu, a ɛkyerɛ sɛ wɔbɛhyehyɛ ankorankoro charge control parameter a wɔde di kan a egyina tumi batere ahorow so ne sɛnea wɔhwɛ so na wɔhwɛ so bere a wɔrebɔ ka no. Wɔ mprempren ahoɔden battery management nhyehyɛe ne charging mfiridwuma, abɛyɛ yiye sɛ wobehu parameters ankorankoro nkwammoaa wɔ battery nhyehyɛe bere a charge nhyehyɛe. Enti, sɛnea ɛbɛyɛ na wɔahwɛ ahu sɛ ahobammɔ wɔ hɔ no, ɛsɛ sɛ wɔhwɛ batere nkwammoaa ankorankoro no parameters so sɛnea wobetumi.
Wɔ akwan a wɔfa so di tumi a wɔde di dwuma ho dwuma ho no, nsonsonoe kɛse wɔ batere a wɔaboaboa ano ne nkwammoaa ankorankoro ntam. Mprempren, wɔde akwan horow pii di dwuma, titiriw denam nkitahodi a ɛda batere sohwɛ nhyehyɛe (BMS) ne charger ntam, de hwɛ charging a egyina nkwammoaa ankorankoro a ɛwɔ batere no mu no nsusuwii a wɔtaa de di dwuma no so. Adwene titiriw a ɛwɔ so ne sɛ wɔbɛma batere no tumi a wɔde di dwuma no ayɛ kɛse bere a wɔhwɛ hu sɛ batere no yɛ ahobammɔ no. Battery nkwammoaa ankorankoro no parameters ho hia yiye ma ahobammɔ a ɛwɔ charge mu. Enti, charging parameter control kwan no taa fa ɔkwan a wɔfa so sesa charging parameters a egyina extreme values so, a ɛkyerɛ sɛ wɔde wɔn adwene si parameters a ɛwɔ extreme individual cells a ɛwɔ battery system no mu sɛnea battery ahorow ahorow te. Electric kar taa de priority nnyinasosɛm a tumi battery system charging logic cycle table 11-3 de ma no di dwuma de yɛ charging parameter adjustments nyinaa, a ɛma extreme parameters no kɔ so wɔ battery pack no mu wɔ limited range no mu.
Sɛ yɛfa lithium manganese oxide battery sɛ nhwɛso a, wɔde current a ɛkɔ so daa-bere a ɛkɔ so daa no yɛ charging. Wɔ charge nhyehyɛe no mu no, nea edi kan a wɔde wɔn adwene si so ne sɛ wobehu ankorankoro cell voltage wɔ battery pack no mu. Sɛ ankorankoro nkwaboaa ahoɔden biara boro set a ɛwɔ hɔ maximum allowable voltage (te sɛ 4.25V) a, ɛsɛ sɛ wɔtew charging limit current nyinaa so na ama wɔatumi asiw ankorankoro cell voltage no sɔre so. Bere koro no ara mu no, wohu batere no hyew wɔ bere ne bere mu. Sɛ ankorankoro nkwammoaa hyew biara boro ɔhyew a ɛwɔ batere no mu a, ɛsɛ sɛ wɔtew charging limit current no so, na ɛma ɔhyew no kɔ soro. Wɔ adwumayɛ ne control a wɔayɛ no yiye ase no, nsakrae a ɛba wɔ voltage anohyeto no mu nso betumi agyina nsakrae a ɛba battery no charge temperature mu no so. Sɛ nhwɛso no, sɛ battery no hyew wɔ fam a, wɔma charging voltage no anohyeto a ɛwɔ soro no kɔ soro ma battery pack no tumi a ɛwɔ charge no yɛ kɛse; Sɛ battery no hyew kɔ soro a, wɔde charging voltage no anohyeto a ɛwɔ soro no ba fam na ama batere no ayɛ nea ahobammɔ wom.
Table 11-3 Priority of Charging parameter control akwan a wɔfa so yɛ battery packs .
| Asɛnhia | Lithium-ion batere . | Nickel-dadeɛ hydride batere . | Kɔn-Acid Battery . |
| Soro | Nkwammoaa a ɛyɛ biako a ɛsen biara-nkwaboaa no ahoɔden . | Nkwammoaa mu ɔhyew a ɛkɔ soro sen biara-nkwaboaa . | Single-nkwaboaa no mu ahoɔden a ɛsen biara . |
| Nkwammoaa mu ɔhyew a ɛsen biara-nkwaboaa . | Nkwammoaa mu ɔhyew a ɛsen biara-nkwaboaa . | Nkwammoaa mu ɔhyew a ɛsen biara-nkwaboaa . | |
| Fam | Battery pack ahoɔden a ɛsen biara . | Battery Pack no mu ahoɔden a ɛwɔ mu . | Battery Pack no mu ahoɔden a ɛwɔ mu . |
| Charging current . | Charging current . | Charging current . |
Power battery nhyehyɛe a ɛma ɛyɛ adwuma yiye .
Charging nhyehyeɛ no a wɔde bedi dwuma no hwehwɛ sɛ wɔde data mena a etu mpɔn na ɛyɛ ankasa-bere parameter atemmuo wɔ battery nhyehyɛeɛ no ne charger no ntam. Battery Management System (BMS) no wie adwuma a ɛne sɛ wobɛboaboa parameters ano wɔ battery system no mu. Bere koro no ara mu no, wɔ mprempren smart charging nhyehyɛe no mu no, ɛdenam nkitahodi a ɛne charger no di so no, ɛhwɛ hu sɛ charge nhyehyɛe no yɛ nea ahobammɔ wom na ɛma wotumi di batere no so yiye.
Nneɛma titiriw a ɛwɔ charge management mode no mu no, wɔakyerɛ wɔ Mfonini 11-12 mu.
Dwumadi a BMS no yɛ ne sɛ wobenya online monitoring of the battery status (battery temperature, ankorankoro cell voltage, adwumayɛ current, insulation ntam battery ne charging pile), SOC estimation, status analysis (sɛ SOC no yɛ kɛse dodo, sɛ ebia battery hyew no yɛ kɛse dodo / ɛba fam, sɛ ebia ankorankoro cell voltage no yɛ kɛse/low nhwehwɛmu, sɛ ebia there so faults too fast fast mmuadadis tooly Pack wɔ mfomsoɔ, anaa nkitahodiɛ mfomsoɔ, ne nea ɛkeka ho) ne sɛ wɔde ɔhyew sohwɛ a ɛhia bedi dwuma. Nnwuma titiriw a ɛwɔ charger no mu ne tumi nsakrae, closed-loop control of output voltage and current, ahobammɔ a ɛho hia, ne nkitahodi a wɔne BMS di na ama wɔanya ntease a edi mũ wɔ battery tebea ne nsakrae a ɛyɛ nnam a ɛwɔ output current no mu. Sɛ ɛho hia sɛ wɔde batere no hyɛ mu a, ɛka tumi a ɛyɛ papa ne nea enye a ɛwɔ charger no output a ehia sɛ wɔde bata battery no ho no ho no, wɔde nkitahodi nhama a wɔde bɛkyɛ data nso ka BMS ne charger no ntam.
Saa charge mode yi de nkitahodi nkitahodi bi si battery management system ne charger system no ntam, na ɛma data kyɛ. Wei ma parameters a ɛfa ahobanbɔ ho, te sɛ voltage, temperature, ne insulation adwumayɛ wɔ battery no mu wɔ charging dwumadie no nyinaa mu, de ne ho hyɛ battery no charge control ne ne di mu. Eyi ma charger no tumi te battery no tebea ne ne nsɛm ase yiye, na ɛyɛ nsakrae wɔ charging current no mu sɛnea ɛfata, na ɛyɛ yiye sɛ ebesiw charge a ɛboro so ne ɔhyew a ɛkɔ soro dodo wɔ battery a ɛwɔ pack no mu nyinaa ano, na ɛnam so ma ahobammɔ a series-connected battery charge no tu mpɔn. Bio nso, saa charge mode yi ma BMS no sohwɛ ne ne sohwɛ yɛ adwuma yiye, ɛma ahobammɔ ne nyansa a ɛwɔ charge no mu no yɛ kɛse, na ɛma adwuma a ɛyɛ den a ɛne sɛ wɔbɛhyehyɛ charge parameters a charger operator no de ma no yɛ mmerɛw, na ɛma charger no yɛ nsakrae pa. Wɔ saa mode yi mu no, ɛho nhia sɛ charger no kyerɛ nsonsonoe a ɛda battery ahorow ntam; Ɛhia sɛ ɛnya mprempren akwankyerɛ a BMS de ma no nko ara na ama wɔanya charge a ɛyɛ dwoodwoo.
Battery nhyehyɛe a ɛma ahoɔden a ɛma ahoɔden .
Sɛnea akwan horow a wɔfa so yɛ adwuma kyerɛ no, wobetumi akyekyɛ anyinam ahoɔden kar a wɔde anyinam ahoɔden yɛ no mu abien: asase so charge ne on-board charge.
Ɔkwan a wɔfa so de anyinam ahoɔden gu asase so .
Sɛ kar no hia sɛ wɔde ka ho a, woyi batere a ɛho hia sɛ wɔde charge no fi kar no mu, na wɔde batere a ɛwɔ ahoɔden koraa gu mu. Afei kar no fi hɔ kɔtoa so yɛ adwuma anaasɛ wɔde di dwuma, na wɔde ground charging system ka batere a wɔayi no ho. Ɔkwan a wɔfa so de asase so ahoɔden gu no so no so wɔ mfaso ma batere a wɔhwɛ so yiye, batere no nkwa nna yɛ papa na ɛma kar no di dwuma yiye, nanso ɛde ahwehwɛde kɛse to kar no ne nneɛma a wɔde bɔ ka/nneɛma a wɔde di dwuma no so. Wɔakyekyɛ asase so charge mu bio ayɛ no adaka a wɔde charge ne integral pack charging.
(1)Adaka a wɔde charge .Bere a wɔde adaka no rebɔ ka no, charger biara bɔ batere adaka biako wɔ batere no mu na ɛne batere sohwɛ akuw a ɛbɛn no di nkitaho de wie charge control no. Saa kwan yi so wɔ mfaso ma battery no a ɛma ɛyɛ pɛ no tu mpɔn na ɛtrɛw ne nkwa nna mu. Nanso, ɛhwehwɛ sɛ wɔde chargers dodow bi, nkitahodi pii ba batere no ne charger ahorow no ntam, nea ɛyɛ den a wɔde hwɛ nneɛma so, na ɛho ka yɛ kɛse. Ne nhyehyeɛ no wɔakyerɛ wɔ Mfonini 11-13.ne ne dwumadie mfiridwuma ho ahwehwɛdeɛ .
prama. Wɔn mu no, wɔde charging platform no bata DC tumi fibea no ho a ɛne kar no a ɛba fam-voltage ahoɔden a wɔde ma, battery storage rack, charger communication interface connector, charger output connector, ne alarm sensor hyia. Sɛ wɔde batere adaka baako gu charging platform no so a, ɛnyɛ-voltage power supply no ma battery management unit no tumi. Charger ne battery management unit no di nkitaho de nya charging control, na ahoɔden fi charger no mu kɔ battery no mu denam charger output connector no so. Alarm sensor, temperature sensor, ne nea ɛkeka ho, hu wɔ-beae a wɔhwɛ so wɔ bere a wɔreyɛ charge no.
Sɛ wode Box Charging redi dwuma a, ɛsɛ sɛ batere nhyehyɛe nhyehyɛe no hwɛ na ɛhwɛ batere nyinaa dodow, ne su, ne ne tebea so wɔ Real-bere mu, yɛ dwumadi ahorow te sɛ batere a wɔkora so, nea wɔde si ananmu, re-Krataa a wɔde yɛ adwuma, batere a wɔde yɛ pɛ, tumi a wɔde sɔ tumi hwɛ ankasa, ne batere mfomso ho dwuma a wodi ntɛm ara.
(2)Integral pack a wɔde charge .Sɛ wɔde integral pack charging di dwuma a, wɔde batere nnaka a wɔayi afi anyinam ahoɔden kar no mu nyinaa abɔ mu wɔ ɔkwan a wɔfa so de di dwuma wɔ kar no so no so. Wɔde charger baako di dwuma de charge battery pack no nyinaa, na battery management units nyinaa ne battery management host ne charger no di nkitaho de wie charging control no. Saa kwan yi hwehwɛ sɛ wɔde chargers kakraa bi na ɛyɛ na ɛwɔ monitoring network a ɛnyɛ den, nanso sɛ wode toto adaka a wɔde charge no ho a, battery pack no yɛ pɛ, na ɔsom nkwa no yɛ tiaa. Ne nhyehyeɛ no wɔakyerɛ wɔ Mfonini 11-14 mu.
Wɔde akwan abien a wɔfa so de charge no toto ho wɔ Table 11-4.
Table 11-4 Ntotoho a ɛfa akwan abien a wɔfa so de charge no ho .
| Daabi. | Integral pack a wɔde charge . | Adaka a wɔde charge . |
| 1 | ahoɔden a ɛkɔ soro, ahobammɔ a enye . | low charging voltage, ahobammɔ pa . |
| 2 | Ahoɔden a ɛkorɔn a ɛwɔ mfiri a wɔde bɔ nneɛma a ɛma ahoɔden biako mu, mfiridwuma a ennyinii, nnwinnade a ɛho ka yɛ den . | Ahoɔden a ɛba fam a ɛwɔ mfiri a wɔde bɔ nneɛma a ɛma ahoɔden biako mu, mfiridwuma a ɛho akokwaw, ɛka a wɔbɔ wɔ ne nyinaa mu no sua . |
| 3 | Nsonsonoe a ɛwɔ mu no kɔ soro ntɛmntɛm . | Nsonsonoe a ɛwɔ mu no kɔ soro . |
| 4 | Harmonics yɛ kɛse koraa . | Harmonics yɛ ketewaa bi . |
| 5 | Ɛnyɛ nea ɛfata ma battery nhyehyɛe a ɛkɔ fam wɔ replacement mode mu . | Ɛfata ma battery nhyehyɛe a ɛkɔ fam wɔ replacement mode mu . |
| 6 | Battery a wɔde di dwuma bere tiaa bi . | Osusuw sɛnea ɛne ne ho hyia ho, ɛtrɛw battery no nkwa nna mu yiye . |
Wɔ-Board charging kwan so .
Sɛ kar no hia charge a wɔde ka ho a, wɔde charger no bata charging plug no ho, na wobetumi abɔ battery no tẽẽ a wɔrenyi mfi kar no mu, sɛnea wɔakyerɛ wɔ Mfonini 11-15 no mu no. Mfaso a ɛwɔ so no yɛ charging operation nhyehyɛe a ɛnyɛ den na ɛnyɛ nhyehyɛe te sɛ battery storage anaa battery a wɔde sesa. Nanso, bere a wɔde bɔ kar no gye kar no bere a wɔde di dwuma anaa bere a wɔde di dwuma no, na ɛma kar no di dwuma yiye na ɛma ɛnyɛ nea ɛfata sɛ ɛbɛma battery no ayɛ pɛ na ama ne nkwa nna atumi ayɛ adwuma.
Wɔnam ON{1}}board charger no nkitahodi nhama ne ON{2}}board network no so na ɛyɛ ON{0}}Board charging kwan no, ne anyinam ahoɔden kar no mu ntam nkitahodi, a ɛne ON{3}}Board Battery Management host no di nkitaho de wie charge control no. ON{5}}Board Charging Communication no nhyehyeɛ no yɛ nea wɔakyerɛ wɔ Mfonini 11-16 mu.
Charger ahorow abien na ɛwɔ hɔ a wɔde di dwuma wɔ so{0}}board charge. Biako ne On-board charger a wɔde ahyɛ kar no mu na wɔde soa, a mpɛn pii no ɛwɔ ahoɔden a ɛba fam, a ne fã kɛse no ara wɔ 5kW ase ma anyinam ahoɔden sedan, a ɛwɔ charging current ketewaa bi ne bere tenten a wɔde bɔ kar no. Eyi fata ma kar a anyinam ahoɔden wom a ɛbɔ anadwo na wɔde di dwuma awia. Ɔfoforo no ne OFF-board fast charger, a mpɛn pii no ɛhwɛ hu sɛ kar no bɛbɔ ka wɔ 30min mu, a ebetumi de ahoɔden a ɛdɔɔso aka ho ama kar no atumi atu bɛboro 50km. Electric sedans a wɔayɛ no productized no hwehwɛ sɛ ON{10}}board charger interface ne charger interface a ɛyɛ ntɛm a ɛbɛma wɔadi aplikeshɔn ahiade a ɛwɔ saa charger ahorow abien yi ho dwuma, a ɛkyerɛ sɛ wɔwɔ interface abien a wɔahyehyɛ no wɔ parallel mu. Mfonini 11-17 kyerɛ charging interface a ɛwɔ Nissan Leaf Electric kar no mu.
